Changing Text on Link Hover

Similar to the link button using multiple spans inside the link to show display states but this one uses nothing but CSS with :before and :after pseudo-elements.

HTML

<a href="#" id="button">Lapin yliopiston jatkotutkintohaku kevät 2018</a>

CSS

#button {
    background-color: white;
    border-radius: 7px;
    color: #149ECB;
    display: block;
    font-size: 20px;
    height: 30px;
    line-height: 50px;
    margin: 20px auto;
    position: relative;
    text-align: center;
    text-decoration: none;
    width: 500px;
    font-family: "open sans";
}

#button:hover {
    color: transparent;
}
#button:active {
    border: 3px solid red;
    color: transparent;
}

#button:before {
    color: #00526C;
    content: "Lapin yliopiston jatkotutkintohaku kevät 2018";
    display: none;
    height: 100%;
    position: absolute;
    text-align: center;
    top: 0px;
    width: 100%;
}
#button:hover:before {
    display: block;
}
#button:hover:after {
    display: none;
}

#button:after {
    color: red;
    content: "active";
    display: none;
    height: 100%;
    position: absolute;
    text-align: center;
    top: 0px;
    width: 100%;
}
#button:active:after {
    display: block;
}
#button:active:before {
    display: none;
}